On the other hand, higher levels of LDH (OR 1.008 [95% CI, 1.004–1.012]), ALT (OR 1.044 [95% CI, 1.012–1.077]) and ferritin (OR 1.001 [95% CI, 1.000–1.002]) were predictive of COVID-19. The gene discussed is GPT; the disease is COVID-19.